feat(types): ship ten editorial diagram types in one release (#118)

Adds ten editorial diagram types with light, dark, and full-editorial examples; updates the taxonomy, gallery, descriptions, references, and synchronized plugin version; and adds maintainer/visual-proof contribution gates.

Co-authored-by: Jacopo Vendramin <vendraminjacopo@gmail.com>

scripts/verify-docs-sync.py

@@ -72,8 +72,8 @@ def check_description(errors: list[str]) -> None:
         errors.append("SKILL.md frontmatter description is missing")
         return
     types = selection_table_types(markdown)
-    if len(types) != 28:
-        errors.append(f"expected 28 visual types in the selection table; found {len(types)}")
+    if len(types) != 38:
+        errors.append(f"expected 38 visual types in the selection table; found {len(types)}")
     for name in types:
         key = normalized(name)
         key = DESCRIPTION_ALIASES.get(key, key)